The sobering fact is heart disease accounts for the majority of deaths among older Boston terriers. This is commonly due to a genetic predisposition toward valve deterioration and can be often be heard as a heart murmur during your dog's annual exam.
Diarrhea usually is a sign that something is bothering the dogâs gastrointestinal tract. Some cases of diarrhea are caused by minor digestive distractions, such as when dogs eat people food or get into the garbage. Diarrhea can also be caused by more serious problems, like poisoning or systemic disease. Diarrhea can come on quickly, be severe and then go away. It also can happen gradually and last for a long time. Affected dogs often are nauseous and have intestinal cramping and pain.
Be on the lookout for any of these issues: 1  Roundworms and whipworms can both cause diarrhea. 2  Hookworms and whipworms can both cause blood to appear in a dogs stool. 3  Tapeworm segments can often be seen in the dogs feces or clinging to the hair around its anus.